Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 d6 0
2 Nh6 0
3 d5 0
4 Na6 0
5 f5 0
6 Nc6 0
7 Kd8 0
8 a5 0
9 a6 0
10 b6 0
11 e5 0
12 e6 0
13 f6 0
14 Bg7 0
15 Nf6 0
16 Bh6 0